package tom.jiafei;

class Person{
    //public Person() {System.out.println("Person()"); }
}
class Teacher extends Person{
    //public Teacher(){this("Teacher(String)"); System.out.println("Teacher()");}
    public Teacher(String s){System.out.println(s);}
}

public class Faculty extends Teacher{
    public Faculty(){System.out.println("Faculty()");}
    public static void main(String[] args) {Faculty fa = new Faculty();}
}  

